@RM3 Not dissing your plants, but each of those pics is full of leaves and hair. They're lacking full, bulbous, calyxes. As I stated above, bud structure suffers under the T5. Those plants look like they have potential. Which strains of yours are those, I was considering picking up some beans from you as you seem to have your hands on some interesting gear. That is, if I haven't offended you (which I have no intention of doing, or did not do intentionally if I already have).
Have you ever experimented with HID vs T5 in the same run, within the same room, to see first hand which yields the best buds? I have. HID won. On top of overall quality, that quality was more consistent, top to bottom, on 4'-6' plants.
I retired the T5's from veg also. Plants veg'd under T5's are slower to flower and do not grow as vigorously, and do not produce the quality of flower as those veg'd under 400w-600w MH. This was tested over numerous runs with various strains. Each run included same strain plants veg'd under either 400w/600w. I still have some T5's hanging, but up near the ceiling, with hoods below them (housing Sunmaster 400 and Ushio 400) in a veg room. Those T5's haven't been used in years.